import { defineConfig, loadEnv } from "vite";
import type { UserConfig, ConfigEnv } from "vite";
import { resolve } from "path";
import { createVitePlugins } from "./build/vite";
import { include, exclude } from "./build/vite/optimize";

// 当前执行node命令时文件夹的地址(工作目录)
const root = process.cwd();
const pathSrc = resolve(__dirname, "src");

export default ({ command, mode }: ConfigEnv): UserConfig => {
  let env = {} as any;
  const isBuild = command === "build";
  if (!isBuild) {
    env = loadEnv(
      process.argv[3] === "--mode" ? process.argv[4] : process.argv[3],
      root
    );
  } else {
    env = loadEnv(mode, root);
  }

  return {
    base: env.VITE_BASE_PATH,
    root: root,
    // 服务端渲染
    server: {
      // 端口号
      port: env.VITE_PORT,
      host: "0.0.0.0",
      open: env.VITE_OPEN === "true",
      // 本地跨域代理. 目前注释的原因：暂时没有用途，server 端已经支持跨域
      // proxy: {
      //   ['/admin-api']: {
      //     target: env.VITE_BASE_URL,
      //     ws: false,
      //     changeOrigin: true,
      //     rewrite: (path) => path.replace(new RegExp(`^/admin-api`), ''),
      //   },
      // },
    },
    // 项目使用的vite插件。 单独提取到build/vite/plugin中管理
    plugins: createVitePlugins(),
    css: {
      preprocessorOptions: {
        scss: {
          // additionalData: `
          // @use "./src/styles/index.scss" as *;
          // `,
          javascriptEnabled: true
        }
      }
    },
    // ↓解析配置
    resolve: {
      // ↓路径别名
      alias: {
        "@": resolve(__dirname, "./src"),
      },
    },
    build: {
      minify: 'terser',
      outDir: env.VITE_OUT_DIR || 'dist',
      sourcemap: env.VITE_SOURCEMAP === 'true' ? 'inline' : false,
      // brotliSize: false,
      terserOptions: {
        compress: {
          drop_debugger: env.VITE_DROP_DEBUGGER === 'true',
          drop_console: env.VITE_DROP_CONSOLE === 'true'
        }
      }
    },
    optimizeDeps: { include, exclude },
  };
};
